public virtual void IntersectPoint(Vector3 point, AreaInfo info, PhaseShift phaseShift)
{
}
public bool GetObjectHitPos(Vector3 startPos, Vector3 endPos, ref Vector3 resultHitPos, float modifyDist, PhaseShift phaseShift)
{
bool result = false;
float maxDist = (endPos - startPos).magnitude();
// valid map coords should *never ever* produce float overflow, but this would produce NaNs too
Cypher.Assert(maxDist < float.MaxValue);
// prevent NaN values which can cause BIH intersection to enter infinite loop
if (maxDist < 1e-10f)
{
resultHitPos = endPos;
return(false);
}
Vector3 dir = (endPos - startPos) / maxDist; // direction with length of 1
Ray ray = new Ray(startPos, dir);
float dist = maxDist;
if (GetIntersectionTime(ray, endPos, phaseShift, dist))
{
resultHitPos = startPos + dir * dist;
if (modifyDist < 0)
{
if ((resultHitPos - startPos).magnitude() > -modifyDist)
{
resultHitPos += dir * modifyDist;
}
else
{
resultHitPos = startPos;
}
}
else
{
resultHitPos += dir * modifyDist;
}
result = true;
}
else
{
resultHitPos = endPos;
result = false;
}
return(result);
}
public DynamicTreeAreaInfoCallback(PhaseShift phaseShift)
{
_phaseShift = phaseShift;
_areaInfo = new AreaInfo();
}
public virtual bool IntersectRay(Ray ray, ref float maxDist, bool stopAtFirstHit, PhaseShift phaseShift, ModelIgnoreFlags ignoreFlags)
{
return(false);
}
public void GetZoneAndAreaId(PhaseShift phaseShift, out uint zoneid, out uint areaid, uint mapid, float x, float y, float z)
{
Map m = CreateBaseMap(mapid);
m.GetZoneAndAreaId(phaseShift, out zoneid, out areaid, x, y, z);
}
public DynamicTreeIntersectionCallback(PhaseShift phaseShift)
{
_didHit = false;
_phaseShift = phaseShift;
}
public uint GetZoneId(PhaseShift phaseShift, uint mapid, float x, float y, float z)
{
Map m = CreateBaseMap(mapid);
return(m.GetZoneId(phaseShift, x, y, z));
}
public void GetZoneAndAreaId(PhaseShift phaseShift, out uint zoneid, out uint areaid, WorldLocation loc)
{
GetZoneAndAreaId(phaseShift, out zoneid, out areaid, loc.GetMapId(), loc);
}
public void GetZoneAndAreaId(PhaseShift phaseShift, out uint zoneid, out uint areaid, uint mapid, Position pos)
{
GetZoneAndAreaId(phaseShift, out zoneid, out areaid, mapid, pos.GetPositionX(), pos.GetPositionY(), pos.GetPositionZ());
}
public abstract bool IsInPhase(PhaseShift phaseShift);
public override bool IntersectRay(Ray ray, ref float maxDist, bool stopAtFirstHit, PhaseShift phaseShift, ModelIgnoreFlags ignoreFlags)
{
if (!IsCollisionEnabled() || !owner.IsSpawned())
{
return(false);
}
if (!owner.IsInPhase(phaseShift))
{
return(false);
}
float time = ray.intersectionTime(iBound);
if (time == float.PositiveInfinity)
{
return(false);
}
// child bounds are defined in object space:
Vector3 p = iInvRot * (ray.Origin - iPos) * iInvScale;
Ray modRay = new Ray(p, iInvRot * ray.Direction);
float distance = maxDist * iInvScale;
bool hit = iModel.IntersectRay(modRay, ref distance, stopAtFirstHit, ignoreFlags);
if (hit)
{
distance *= iScale;
maxDist = distance;
}
return(hit);
}
